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Various fixes.

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This commit is contained in:
Ben Vanik
2013-12-15 13:58:40 -08:00
parent 1d0ed4882d
commit 417a970aab
3 changed files with 16 additions and 14 deletions
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12
src/alloy/frontend/ppc/ppc_emit_altivec.cc
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@@ -294,9 +294,9 @@ int InstrEmit_stvlx_(PPCFunctionBuilder& f, InstrData& i, uint32_t vd, uint32_t
// we could optimize this to prevent the other load/mask, in that case.
Value* ea = ra ? f.Add(f.LoadGPR(ra), f.LoadGPR(rb)) : f.LoadGPR(rb);
Value* eb = f.And(f.Truncate(ea, INT8_TYPE), f.LoadConstant((int8_t)0xF));
Value* new_value = f.ByteSwap(f.LoadVR(vd));
Value* new_value = f.LoadVR(vd);
// ea &= ~0xF (load takes care of this)
Value* old_value = f.Load(ea, VEC128_TYPE);
Value* old_value = f.ByteSwap(f.Load(ea, VEC128_TYPE));
// v = (new >> eb) | (old & (ONE << (16 - eb)))
Value* v = f.Permute(
f.LoadVectorShr(eb),
@@ -313,7 +313,7 @@ int InstrEmit_stvlx_(PPCFunctionBuilder& f, InstrData& i, uint32_t vd, uint32_t
f.LoadZero(VEC128_TYPE),
INT8_TYPE)));
// ea &= ~0xF (store takes care of this)
f.Store(ea, v);
f.Store(ea, f.ByteSwap(v));
return 0;
}
XEEMITTER(stvlx, 0x7C00050E, X )(PPCFunctionBuilder& f, InstrData& i) {
@@ -335,9 +335,9 @@ int InstrEmit_stvrx_(PPCFunctionBuilder& f, InstrData& i, uint32_t vd, uint32_t
Value* ea = ra ? f.Add(f.LoadGPR(ra), f.LoadGPR(rb)) : f.LoadGPR(rb);
Value* eb = f.And(f.Truncate(ea, INT8_TYPE), f.LoadConstant((int8_t)0xF));
Value* ebits = f.Mul(eb, f.LoadConstant((int8_t)8));
Value* new_value = f.ByteSwap(f.LoadVR(vd));
Value* new_value = f.LoadVR(vd);
// ea &= ~0xF (load takes care of this)
Value* old_value = f.Load(ea, VEC128_TYPE);
Value* old_value = f.ByteSwap(f.Load(ea, VEC128_TYPE));
// v = (new << (16 - eb)) | (old & (ONE >> eb))
Value* v = f.Permute(
f.LoadVectorShl(f.Sub(f.LoadConstant((int8_t)16), eb)),
@@ -354,7 +354,7 @@ int InstrEmit_stvrx_(PPCFunctionBuilder& f, InstrData& i, uint32_t vd, uint32_t
f.Not(f.LoadZero(VEC128_TYPE)),
INT8_TYPE)));
// ea &= ~0xF (store takes care of this)
f.Store(ea, v);
f.Store(ea, f.ByteSwap(v));
return 0;
}
XEEMITTER(stvrx, 0x7C00054E, X )(PPCFunctionBuilder& f, InstrData& i) {